Nina S. Kjellson

Sits on 1 board. Last updated September 28, 2026

Time on boards

Boards served
1
Current seats
1
Board service
3 years
Director since
2023

3 years of board service in total across 1 board, counting each seat separately. Longest: Tyra Biosciences Inc., 3 years.

3 years ยท Since 2023

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Feb 5, 2025 Tyra Biosciences Inc. Open-market sale โˆ’1,890 $13.76 $26,006
Feb 5, 2025 Tyra Biosciences Inc. Open-market sale โˆ’3,511 $13.76 $48,311
Jan 23, 2025 Tyra Biosciences Inc. Open-market sale โˆ’4,825 $16.26 $78,455
Jan 21, 2025 Tyra Biosciences Inc. Open-market sale โˆ’3,993 $16.36 $65,325
Jan 17, 2025 Tyra Biosciences Inc. Open-market sale โˆ’12,808 $16.40 $210,051
Jan 17, 2025 Tyra Biosciences Inc. Open-market sale โˆ’461 $16.40 $7,560
Jan 16, 2025 Tyra Biosciences Inc. Open-market sale โˆ’6,944 $16.29 $113,118
Jan 16, 2025 Tyra Biosciences Inc. Open-market sale โˆ’835 $16.29 $13,602
Nov 25, 2024 Tyra Biosciences Inc. Open-market sale โˆ’4,706 $16.84 $79,249
Nov 25, 2024 Tyra Biosciences Inc. Open-market sale โˆ’566 $16.84 $9,531
Nov 7, 2024 Tyra Biosciences Inc. Open-market sale โˆ’19,720 $17.32 $341,550
Nov 7, 2024 Tyra Biosciences Inc. Open-market sale โˆ’2,371 $17.32 $41,066
Nov 6, 2024 Tyra Biosciences Inc. Open-market sale โˆ’46,856 $17.18 $804,986
Nov 6, 2024 Tyra Biosciences Inc. Open-market sale โˆ’5,635 $17.18 $96,809
Nov 5, 2024 Tyra Biosciences Inc. Open-market sale โˆ’9,367 $16.77 $157,085

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